function getGuid() {
    function S4() {
        return (((1 + Math.random()) * 0x10000) | 0).toString(16).substring(1);
    }

    // return (S4()+S4()+"-"+S4()+"-"+S4()+"-"+S4()+"-"+S4()+S4()+S4());
    return (S4() + S4() + S4() + S4() + S4() + S4() + S4() + S4());
}
console.log(getGuid());
export {
    getGuid,
}